Vehicle fenders – Buffer or bumper type – With grille or radiator guard
Patent
1991-11-04
1993-04-27
Song, Robert R.
Vehicle fenders
Buffer or bumper type
With grille or radiator guard
180 686, B62D 2508
Patent
active
052055973
ABSTRACT:
A flexible automobile grille which accommodates the movement of an impact-absorbing bumper. The grille is capable of deflecting with the stroke of the impact-absorbing bumper during impact without the need for the grille to be either pivotable about an anchor point or to be mechanically displaceable with special hardware. The material of the grille is selected to have a yield strength which is adequate to sustain a predetermined degree of yielding corresponding to the amount of deflection required with the bumper's stroke. The grille includes a generally elongated body portion having an upper edge and a lower edge which extend horizontally adjacent the engine hood and the bumper, respectively. Both the upper and lower edges may be configured to attach to the automobile. To provide the necessary deflection capability of the grille, the lower edge has a section modulus which varies along its length, having at least one minimum section so as to provide a predetermined degree of yielding at the minimum section without exceeding the predetermined yield strength of the material. As a result, the predetermined degree of yielding of the lower edge provides a degree of resiliency to the entire automobile grille, allowing the grille to be firmly attached to the automobile body while still being able to flex sufficiently so as to be able to deflect with the bumper during an impact.
REFERENCES:
patent: 4645250 (1987-02-01), Bauer et al.
patent: 4753468 (1988-06-01), Szymczak et al.
patent: 4834436 (1989-05-01), Nguyen
patent: 4917203 (1990-04-01), Sacco et al.
patent: 4944540 (1990-07-01), Mansoor et al.
Lacks Industries Inc.
Song Robert R.
VanOphem Remy J.
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